10. (18 pts) Let v = (4,2) and w = (1, -3). (Work required only for parts d and e, on the next page.) (a) Find 7v - 3w and state the result in component form.(b) State the exact magnitude (length) of v and the exact magnitude of w. (c) State the dot product v . w. (d) Find projw(v) in component form. Give exact values. Show work